HEADER    OXYGEN STORAGE/TRANSPORT                11-DEC-02   1NEJ              
TITLE     CRYSTALLINE HUMAN CARBONMONOXY HEMOGLOBIN S (LIGANDED SICKLE CELL     
TITLE    2 HEMOGLOBIN) EXHIBITS THE R2 QUATERNARY STATE AT NEUTRAL PH IN THE    
TITLE    3 PRESENCE OF POLYETHYLENE GLYCOL: THE 2.1 ANGSTROM RESOLUTION CRYSTAL 
TITLE    4 STRUCTURE                                                            
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: HEMOGLOBIN ALPHA CHAIN;                                    
COMPND   3 CHAIN: A, C;                                                         
COMPND   4 FRAGMENT: ALPHA CHAIN;                                               
COMPND   5 MOL_ID: 2;                                                           
COMPND   6 MOLECULE: HEMOGLOBIN BETA CHAIN;                                     
COMPND   7 CHAIN: B, D;                                                         
COMPND   8 FRAGMENT: BETA CHAIN                                                 
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 ORGAN: BLOOD;                                                        
SOURCE   6 CELL: ERYTHROCYTES;                                                  
SOURCE   7 MOL_ID: 2;                                                           
SOURCE   8 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   9 ORGANISM_COMMON: HUMAN;                                              
SOURCE  10 ORGANISM_TAXID: 9606;                                                
SOURCE  11 ORGAN: BLOOD;                                                        
SOURCE  12 CELL: ERYTHROCYTES                                                   
KEYWDS    MUTANT HUMAN HEMOGLOBIN S[BETAE6V]; R2 QUATERNARY STATE; HUMAN        
KEYWDS   2 HEMOGLOBIN, OXYGEN STORAGE-TRANSPORT COMPLEX                         
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    L.N.PATSKOVSKA,Y.V.PATSKOVSKY,S.C.ALMO,R.E.HIRSCH                     
REVDAT   5   16-AUG-23 1NEJ    1       REMARK LINK                              
REVDAT   4   24-FEB-09 1NEJ    1       VERSN                                    
REVDAT   3   03-MAY-05 1NEJ    1       JRNL                                     
REVDAT   2   20-JAN-04 1NEJ    1       TITLE  JRNL                              
REVDAT   1   16-DEC-03 1NEJ    0                                                
JRNL        AUTH   L.N.PATSKOVSKA,Y.V.PATSKOVSKY,S.C.ALMO,R.E.HIRSCH            
JRNL        TITL   COHBC AND COHBS CRYSTALLIZE IN THE R2 QUATERNARY STATE AT    
JRNL        TITL 2 NEUTRAL PH IN THE PRESENCE OF PEG 4000.                      
JRNL        REF    ACTA CRYSTALLOGR.,SECT.D      V.  61   566 2005              
JRNL        REFN                   ISSN 0907-4449                               
JRNL        PMID   15858266                                                     
JRNL        DOI    10.1107/S0907444905004622                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.10 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR 3.851                                         
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.10                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 8.00                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 2.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 10000.000                      
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.1000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 83.3                           
REMARK   3   NUMBER OF REFLECTIONS             : 28556                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.235                           
REMARK   3   FREE R VALUE                     : 0.268                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1456                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.010                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 8                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.10                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.19                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 45.89                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3821                       
REMARK   3   BIN FREE R VALUE                    : 0.4213                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 4.70                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 100                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 4380                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 180                                     
REMARK   3   SOLVENT ATOMS            : 233                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 53.00                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -9.36100                                             
REMARK   3    B22 (A**2) : -0.17900                                             
REMARK   3    B33 (A**2) : 9.54000                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.013                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.751                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 22.04                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 2.646                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : ISOTROPIC                                 
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 1.500 ; 3.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 2.500 ; 6.400                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 2.000 ; 5.600                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 3.000 ; 9.300                
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1NEJ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 23-DEC-02.                  
REMARK 100 THE DEPOSITION ID IS D_1000017806.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 03-DEC-01                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.1                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU                             
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : GRAPHITE                           
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU RAXIS IV                    
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 32084                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.100                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 30.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 91.7                               
REMARK 200  DATA REDUNDANCY                : 17.00                              
REMARK 200  R MERGE                    (I) : 0.06800                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 12.4000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.10                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.18                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 64.7                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.67                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.35500                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 1.600                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: X-PLOR                                                
REMARK 200 STARTING MODEL: PDB ENTRY 1M9P                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 43.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.17                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 25% PEG 4000, 0.15M HEPES-NA,CHLORIDE    
REMARK 280  ANION TRACES; PH 7.1, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE    
REMARK 280  298K                                                                
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
REMARK 290       4555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000       29.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       85.92000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       29.26500            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       85.92000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       29.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       29.26500            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 300 REMARK: THE BIOLOGICAL ASSEMBLY IS A TETRAMER IN THE ASYMMETRIC      
REMARK 300 UNIT.                                                                
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: TETRAMERIC                        
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC                 
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 11580 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 22640 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -114.0 KCAL/MOL                       
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D                            
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    HIS D  92   CG    HIS D  92   CD2     0.061                       
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    PRO D 100   C   -  N   -  CA  ANGL. DEV. =   9.9 DEGREES          
REMARK 500    ARG D 104   NE  -  CZ  -  NH1 ANGL. DEV. =   3.0 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    SER A  52      112.22    -35.22                                   
REMARK 500    ALA A  71      -76.03    -64.99                                   
REMARK 500    ASP A  74       36.07    -84.11                                   
REMARK 500    ASP A  75       18.60   -160.34                                   
REMARK 500    PRO A  95       -9.19    -57.65                                   
REMARK 500    PHE A 117       75.46   -105.55                                   
REMARK 500    VAL B  20       17.50    -62.71                                   
REMARK 500    ASP B  47      106.00     56.07                                   
REMARK 500    LEU B  48       34.39   -147.13                                   
REMARK 500    LYS C  16       -0.87   -142.71                                   
REMARK 500    PRO C  37       -6.37    -54.54                                   
REMARK 500    HIS C  45       31.63    -94.24                                   
REMARK 500    LEU C  48       46.27    -92.31                                   
REMARK 500    SER C  52      114.10    -29.83                                   
REMARK 500    ALA C  71      -70.17    -66.50                                   
REMARK 500    ASP C  74       36.94    -73.52                                   
REMARK 500    ASP C  75       11.30   -163.61                                   
REMARK 500    LEU C 113       72.59   -119.15                                   
REMARK 500    TYR C 140       40.05   -104.88                                   
REMARK 500    VAL D  20       23.81    -67.30                                   
REMARK 500    ASP D  21      -62.27   -127.52                                   
REMARK 500    TYR D  35       79.86   -119.09                                   
REMARK 500    PHE D  42       56.18   -119.97                                   
REMARK 500    ASP D  47       97.59     51.87                                   
REMARK 500    PHE D 122       73.46   -103.13                                   
REMARK 500    LYS D 144       41.54    -82.07                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: PLANAR GROUPS                                              
REMARK 500                                                                      
REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL                 
REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE                    
REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN                    
REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS                        
REMARK 500 AN RMSD GREATER THAN THIS VALUE                                      
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        RMS     TYPE                                    
REMARK 500    ARG D 104         0.08    SIDE CHAIN                              
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY                                       
REMARK 500                                                                      
REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY                       
REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER                 
REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME;                     
REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;                            
REMARK 500 I=INSERTION CODE).                                                   
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        ANGLE                                           
REMARK 500    MET C  76        -12.52                                           
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM A 142  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A  87   NE2                                                    
REMARK 620 2 HEM A 142   NA   82.7                                              
REMARK 620 3 HEM A 142   NB   96.2  91.4                                        
REMARK 620 4 HEM A 142   NC  102.9 174.3  88.9                                  
REMARK 620 5 HEM A 142   ND   88.8  88.9 174.9  90.2                            
REMARK 620 6 CMO A1143   C   169.9  91.3  92.0  83.0  82.9                      
REMARK 620 7 CMO A1143   O   169.3  92.4  93.4  81.9  81.5   1.8                
REMARK 620 N                    1     2     3     4     5     6                 
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM B 147  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS B  92   NE2                                                    
REMARK 620 2 HEM B 147   NA   84.5                                              
REMARK 620 3 HEM B 147   NB   90.2  89.4                                        
REMARK 620 4 HEM B 147   NC   98.3 177.2  90.8                                  
REMARK 620 5 HEM B 147   ND   92.4  87.4 175.8  92.2                            
REMARK 620 6 CMO B2148   C   174.8  93.6  94.6  83.6  82.7                      
REMARK 620 7 CMO B2148   O   173.4  95.7  96.4  81.5  81.1   2.7                
REMARK 620 N                    1     2     3     4     5     6                 
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM C 142  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS C  87   NE2                                                    
REMARK 620 2 HEM C 142   NA   84.1                                              
REMARK 620 3 HEM C 142   NB   90.9  91.3                                        
REMARK 620 4 HEM C 142   NC  100.5 175.4  88.5                                  
REMARK 620 5 HEM C 142   ND   91.0  89.3 178.0  90.8                            
REMARK 620 6 CMO C3143   C   176.1  95.0  92.9  80.4  85.2                      
REMARK 620 7 CMO C3143   O   174.2  97.0  94.7  78.5  83.4   2.7                
REMARK 620 N                    1     2     3     4     5     6                 
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             HEM D 147  FE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS D  92   NE2                                                    
REMARK 620 2 HEM D 147   NA   87.8                                              
REMARK 620 3 HEM D 147   NB   94.2  90.5                                        
REMARK 620 4 HEM D 147   NC   95.4 176.7  89.5                                  
REMARK 620 5 HEM D 147   ND   87.8  85.8 175.7  94.1                            
REMARK 620 6 CMO D4148   C   170.4  93.5  95.3  83.3  82.8                      
REMARK 620 7 CMO D4148   O   167.9  96.3  97.1  80.4  81.1   3.4                
REMARK 620 N                    1     2     3     4     5     6                 
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 142                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CMO A 1143                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 147                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CMO B 2148                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM C 142                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CMO C 3143                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM D 147                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CMO D 4148                
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1K1K   RELATED DB: PDB                                   
REMARK 900 R-STATE HUMAN HEMOGLOBIN C[BETAE6K],CARBONMONOXY                     
REMARK 900 RELATED ID: 1M9P   RELATED DB: PDB                                   
REMARK 900 R2 STATE HUMAN HEMOGLOBIN C[BETAE6K],CARBONMONOXY                    
REMARK 900 RELATED ID: 1RVW   RELATED DB: PDB                                   
REMARK 900 R-STATE HUMAN HEMOGLOBIN[ALPHAV96W],CARBONMONOXY                     
REMARK 900 RELATED ID: 1HHO   RELATED DB: PDB                                   
REMARK 900 R-STATE OF HUMAN OXYHEMOGLOBIN                                       
REMARK 900 RELATED ID: 1BBB   RELATED DB: PDB                                   
REMARK 900 HEMOGLOBIN A(R2 STATE,CARBONMONOXY                                   
DBREF  1NEJ A    1   141  UNP    P69905   HBA_HUMAN        1    141             
DBREF  1NEJ C    1   141  UNP    P69905   HBA_HUMAN        1    141             
DBREF  1NEJ B    1   146  UNP    P68871   HBB_HUMAN        1    146             
DBREF  1NEJ D    1   146  UNP    P68871   HBB_HUMAN        1    146             
SEQADV 1NEJ VAL B    6  UNP  P68871    GLU     6 SEE REMARK 999                 
SEQADV 1NEJ VAL D    6  UNP  P68871    GLU     6 SEE REMARK 999                 
SEQRES   1 A  141  VAL LEU SER PRO ALA ASP LYS THR ASN VAL LYS ALA ALA          
SEQRES   2 A  141  TRP GLY LYS VAL GLY ALA HIS ALA GLY GLU TYR GLY ALA          
SEQRES   3 A  141  GLU ALA LEU GLU ARG MET PHE LEU SER PHE PRO THR THR          
SEQRES   4 A  141  LYS THR TYR PHE PRO HIS PHE ASP LEU SER HIS GLY SER          
SEQRES   5 A  141  ALA GLN VAL LYS GLY HIS GLY LYS LYS VAL ALA ASP ALA          
SEQRES   6 A  141  LEU THR ASN ALA VAL ALA HIS VAL ASP ASP MET PRO ASN          
SEQRES   7 A  141  ALA LEU SER ALA LEU SER ASP LEU HIS ALA HIS LYS LEU          
SEQRES   8 A  141  ARG VAL ASP PRO VAL ASN PHE LYS LEU LEU SER HIS CYS          
SEQRES   9 A  141  LEU LEU VAL THR LEU ALA ALA HIS LEU PRO ALA GLU PHE          
SEQRES  10 A  141  THR PRO ALA VAL HIS ALA SER LEU ASP LYS PHE LEU ALA          
SEQRES  11 A  141  SER VAL SER THR VAL LEU THR SER LYS TYR ARG                  
SEQRES   1 B  146  VAL HIS LEU THR PRO VAL GLU LYS SER ALA VAL THR ALA          
SEQRES   2 B  146  LEU TRP GLY LYS VAL ASN VAL ASP GLU VAL GLY GLY GLU          
SEQRES   3 B  146  ALA LEU GLY ARG LEU LEU VAL VAL TYR PRO TRP THR GLN          
SEQRES   4 B  146  ARG PHE PHE GLU SER PHE GLY ASP LEU SER THR PRO ASP          
SEQRES   5 B  146  ALA VAL MET GLY ASN PRO LYS VAL LYS ALA HIS GLY LYS          
SEQRES   6 B  146  LYS VAL LEU GLY ALA PHE SER ASP GLY LEU ALA HIS LEU          
SEQRES   7 B  146  ASP ASN LEU LYS GLY THR PHE ALA THR LEU SER GLU LEU          
SEQRES   8 B  146  HIS CYS ASP LYS LEU HIS VAL ASP PRO GLU ASN PHE ARG          
SEQRES   9 B  146  LEU LEU GLY ASN VAL LEU VAL CYS VAL LEU ALA HIS HIS          
SEQRES  10 B  146  PHE GLY LYS GLU PHE THR PRO PRO VAL GLN ALA ALA TYR          
SEQRES  11 B  146  GLN LYS VAL VAL ALA GLY VAL ALA ASN ALA LEU ALA HIS          
SEQRES  12 B  146  LYS TYR HIS                                                  
SEQRES   1 C  141  VAL LEU SER PRO ALA ASP LYS THR ASN VAL LYS ALA ALA          
SEQRES   2 C  141  TRP GLY LYS VAL GLY ALA HIS ALA GLY GLU TYR GLY ALA          
SEQRES   3 C  141  GLU ALA LEU GLU ARG MET PHE LEU SER PHE PRO THR THR          
SEQRES   4 C  141  LYS THR TYR PHE PRO HIS PHE ASP LEU SER HIS GLY SER          
SEQRES   5 C  141  ALA GLN VAL LYS GLY HIS GLY LYS LYS VAL ALA ASP ALA          
SEQRES   6 C  141  LEU THR ASN ALA VAL ALA HIS VAL ASP ASP MET PRO ASN          
SEQRES   7 C  141  ALA LEU SER ALA LEU SER ASP LEU HIS ALA HIS LYS LEU          
SEQRES   8 C  141  ARG VAL ASP PRO VAL ASN PHE LYS LEU LEU SER HIS CYS          
SEQRES   9 C  141  LEU LEU VAL THR LEU ALA ALA HIS LEU PRO ALA GLU PHE          
SEQRES  10 C  141  THR PRO ALA VAL HIS ALA SER LEU ASP LYS PHE LEU ALA          
SEQRES  11 C  141  SER VAL SER THR VAL LEU THR SER LYS TYR ARG                  
SEQRES   1 D  146  VAL HIS LEU THR PRO VAL GLU LYS SER ALA VAL THR ALA          
SEQRES   2 D  146  LEU TRP GLY LYS VAL ASN VAL ASP GLU VAL GLY GLY GLU          
SEQRES   3 D  146  ALA LEU GLY ARG LEU LEU VAL VAL TYR PRO TRP THR GLN          
SEQRES   4 D  146  ARG PHE PHE GLU SER PHE GLY ASP LEU SER THR PRO ASP          
SEQRES   5 D  146  ALA VAL MET GLY ASN PRO LYS VAL LYS ALA HIS GLY LYS          
SEQRES   6 D  146  LYS VAL LEU GLY ALA PHE SER ASP GLY LEU ALA HIS LEU          
SEQRES   7 D  146  ASP ASN LEU LYS GLY THR PHE ALA THR LEU SER GLU LEU          
SEQRES   8 D  146  HIS CYS ASP LYS LEU HIS VAL ASP PRO GLU ASN PHE ARG          
SEQRES   9 D  146  LEU LEU GLY ASN VAL LEU VAL CYS VAL LEU ALA HIS HIS          
SEQRES  10 D  146  PHE GLY LYS GLU PHE THR PRO PRO VAL GLN ALA ALA TYR          
SEQRES  11 D  146  GLN LYS VAL VAL ALA GLY VAL ALA ASN ALA LEU ALA HIS          
SEQRES  12 D  146  LYS TYR HIS                                                  
HET    HEM  A 142      43                                                       
HET    CMO  A1143       2                                                       
HET    HEM  B 147      43                                                       
HET    CMO  B2148       2                                                       
HET    HEM  C 142      43                                                       
HET    CMO  C3143       2                                                       
HET    HEM  D 147      43                                                       
HET    CMO  D4148       2                                                       
HETNAM     HEM PROTOPORPHYRIN IX CONTAINING FE                                  
HETNAM     CMO CARBON MONOXIDE                                                  
HETSYN     HEM HEME                                                             
FORMUL   5  HEM    4(C34 H32 FE N4 O4)                                          
FORMUL   6  CMO    4(C O)                                                       
FORMUL  13  HOH   *233(H2 O)                                                    
HELIX    1   1 SER A    3  ALA A   12  1                                  10    
HELIX    2   2 ALA A   13  VAL A   17  5                                   5    
HELIX    3   3 GLY A   18  ALA A   19  5                                   2    
HELIX    4   4 HIS A   20  PHE A   36  1                                  17    
HELIX    5   5 PRO A   37  PHE A   43  5                                   7    
HELIX    6   6 GLN A   54  HIS A   72  1                                  19    
HELIX    7   7 ASP A   75  LEU A   80  1                                   6    
HELIX    8   8 LEU A   80  ALA A   88  1                                   9    
HELIX    9   9 ASP A   94  LEU A  113  1                                  20    
HELIX   10  10 THR A  118  SER A  138  1                                  21    
HELIX   11  11 THR B    4  GLY B   16  1                                  13    
HELIX   12  12 VAL B   23  TYR B   35  1                                  13    
HELIX   13  13 PRO B   36  GLY B   46  5                                  11    
HELIX   14  14 THR B   50  GLY B   56  1                                   7    
HELIX   15  15 ASN B   57  LEU B   75  1                                  19    
HELIX   16  16 ASN B   80  PHE B   85  1                                   6    
HELIX   17  17 PHE B   85  LYS B   95  1                                  11    
HELIX   18  18 PRO B  100  GLY B  119  1                                  20    
HELIX   19  19 LYS B  120  PHE B  122  5                                   3    
HELIX   20  20 THR B  123  LEU B  141  1                                  19    
HELIX   21  21 ALA B  142  HIS B  146  5                                   5    
HELIX   22  22 SER C    3  TRP C   14  1                                  12    
HELIX   23  23 GLY C   15  ALA C   19  5                                   5    
HELIX   24  24 HIS C   20  PHE C   36  1                                  17    
HELIX   25  25 THR C   38  PHE C   43  5                                   6    
HELIX   26  26 GLN C   54  HIS C   72  1                                  19    
HELIX   27  27 ASP C   75  LEU C   80  1                                   6    
HELIX   28  28 LEU C   80  ALA C   88  1                                   9    
HELIX   29  29 PRO C   95  LEU C  113  1                                  19    
HELIX   30  30 THR C  118  SER C  138  1                                  21    
HELIX   31  31 THR D    4  LYS D   17  1                                  14    
HELIX   32  32 VAL D   23  TYR D   35  1                                  13    
HELIX   33  33 PRO D   36  PHE D   42  5                                   7    
HELIX   34  34 THR D   50  GLY D   56  1                                   7    
HELIX   35  35 ASN D   57  HIS D   77  1                                  21    
HELIX   36  36 PHE D   85  LYS D   95  1                                  11    
HELIX   37  37 PRO D  100  GLY D  119  1                                  20    
HELIX   38  38 LYS D  120  PHE D  122  5                                   3    
HELIX   39  39 THR D  123  LEU D  141  1                                  19    
LINK         NE2 HIS A  87                FE   HEM A 142     1555   1555  2.25  
LINK        FE   HEM A 142                 C   CMO A1143     1555   1555  1.78  
LINK        FE   HEM A 142                 O   CMO A1143     1555   1555  2.90  
LINK         NE2 HIS B  92                FE   HEM B 147     1555   1555  2.17  
LINK        FE   HEM B 147                 C   CMO B2148     1555   1555  1.79  
LINK        FE   HEM B 147                 O   CMO B2148     1555   1555  2.92  
LINK         NE2 HIS C  87                FE   HEM C 142     1555   1555  2.34  
LINK        FE   HEM C 142                 C   CMO C3143     1555   1555  1.80  
LINK        FE   HEM C 142                 O   CMO C3143     1555   1555  2.92  
LINK         NE2 HIS D  92                FE   HEM D 147     1555   1555  2.10  
LINK        FE   HEM D 147                 C   CMO D4148     1555   1555  1.78  
LINK        FE   HEM D 147                 O   CMO D4148     1555   1555  2.89  
SITE     1 AC1 16 TYR A  42  PHE A  43  HIS A  45  HIS A  58                    
SITE     2 AC1 16 LYS A  61  ALA A  65  LEU A  83  LEU A  86                    
SITE     3 AC1 16 HIS A  87  LEU A  91  VAL A  93  ASN A  97                    
SITE     4 AC1 16 PHE A  98  LEU A 101  LEU A 136  CMO A1143                    
SITE     1 AC2  4 PHE A  43  HIS A  58  VAL A  62  HEM A 142                    
SITE     1 AC3 11 PHE B  41  PHE B  42  SER B  44  HIS B  63                    
SITE     2 AC3 11 LYS B  66  ALA B  70  HIS B  92  ASN B 102                    
SITE     3 AC3 11 PHE B 103  LEU B 106  CMO B2148                               
SITE     1 AC4  5 LEU B  28  PHE B  42  HIS B  63  VAL B  67                    
SITE     2 AC4  5 HEM B 147                                                     
SITE     1 AC5 17 TYR C  42  PHE C  43  HIS C  45  PHE C  46                    
SITE     2 AC5 17 HIS C  58  LYS C  61  ALA C  65  LEU C  83                    
SITE     3 AC5 17 HIS C  87  LEU C  91  VAL C  93  ASN C  97                    
SITE     4 AC5 17 PHE C  98  LEU C 101  LEU C 136  HOH C 354                    
SITE     5 AC5 17 CMO C3143                                                     
SITE     1 AC6  4 PHE C  43  HIS C  58  VAL C  62  HEM C 142                    
SITE     1 AC7 15 THR D  38  PHE D  41  PHE D  42  SER D  44                    
SITE     2 AC7 15 PHE D  45  HIS D  63  LYS D  66  ALA D  70                    
SITE     3 AC7 15 LEU D  88  HIS D  92  LEU D  96  VAL D  98                    
SITE     4 AC7 15 ASN D 102  LEU D 106  CMO D4148                               
SITE     1 AC8  5 LEU D  28  PHE D  42  HIS D  63  VAL D  67                    
SITE     2 AC8  5 HEM D 147                                                     
CRYST1   58.000   58.530  171.840  90.00  90.00  90.00 P 21 21 21    8          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.017241  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.017085  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.005819        0.00000